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Three-dimensional structure of cyanobacterial photosystem I at 2.5 Å resolution

Author

Listed:
  • Patrick Jordan

    (Institut für Chemie/Kristallographie, Freie Universität Berlin)

  • Petra Fromme

    (Institut für Chemie
    Technische Universität Berlin)

  • Horst Tobias Witt

    (Institut für Chemie
    Technische Universität Berlin)

  • Olaf Klukas

    (Institut für Chemie/Kristallographie, Freie Universität Berlin)

  • Wolfram Saenger

    (Institut für Chemie/Kristallographie, Freie Universität Berlin)

  • Norbert Krauß

    (Institut für Chemie/Kristallographie, Freie Universität Berlin
    Institut für Biochemie, Universitätsklinikum Charité)

Abstract

Life on Earth depends on photosynthesis, the conversion of light energy from the Sun to chemical energy. In plants, green algae and cyanobacteria, this process is driven by the cooperation of two large protein–cofactor complexes, photosystems I and II, which are located in the thylakoid photosynthetic membranes. The crystal structure of photosystem I from the thermophilic cyanobacterium Synechococcus elongatus described here provides a picture at atomic detail of 12 protein subunits and 127 cofactors comprising 96 chlorophylls, 2 phylloquinones, 3 Fe4S4 clusters, 22 carotenoids, 4 lipids, a putative Ca2+ ion and 201 water molecules. The structural information on the proteins and cofactors and their interactions provides a basis for understanding how the high efficiency of photosystem I in light capturing and electron transfer is achieved.

Suggested Citation

  • Patrick Jordan & Petra Fromme & Horst Tobias Witt & Olaf Klukas & Wolfram Saenger & Norbert Krauß, 2001. "Three-dimensional structure of cyanobacterial photosystem I at 2.5 Å resolution," Nature, Nature, vol. 411(6840), pages 909-917, June.
    • Handle: RePEc:nat:nature:v:411:y:2001:i:6840:d:10.1038_35082000
    DOI: 10.1038/35082000
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    Cited by:

    1. Ryo Nagao & Koji Kato & Tasuku Hamaguchi & Yoshifumi Ueno & Naoki Tsuboshita & Shota Shimizu & Miyu Furutani & Shigeki Ehira & Yoshiki Nakajima & Keisuke Kawakami & Takehiro Suzuki & Naoshi Dohmae & S, 2023. "Structure of a monomeric photosystem I core associated with iron-stress-induced-A proteins from Anabaena sp. PCC 7120," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Ryan Puskar & Chloe Truong & Kyle Swain & Saborni Chowdhury & Ka-Yi Chan & Shan Li & Kai-Wen Cheng & Ting Yu Wang & Yu-Ping Poh & Yuval Mazor & Haijun Liu & Tsui-Fen Chou & Brent L. Nannenga & Po-Lin , 2022. "Molecular asymmetry of a photosynthetic supercomplex from green sulfur bacteria," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    3. Ziyu Zhao & Irene Vercellino & Jana Knoppová & Roman Sobotka & James W. Murray & Peter J. Nixon & Leonid A. Sazanov & Josef Komenda, 2023. "The Ycf48 accessory factor occupies the site of the oxygen-evolving manganese cluster during photosystem II biogenesis," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    4. Shishang Dong & Guoqiang Huang & Changhui Wang & Jiajia Wang & Sen-Fang Sui & Xiaochun Qin, 2022. "Structure of the Acidobacteria homodimeric reaction center bound with cytochrome c," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    5. Koji Kato & Ryo Nagao & Yoshifumi Ueno & Makio Yokono & Takehiro Suzuki & Tian-Yi Jiang & Naoshi Dohmae & Fusamichi Akita & Seiji Akimoto & Naoyuki Miyazaki & Jian-Ren Shen, 2022. "Structure of a tetrameric photosystem I from a glaucophyte alga Cyanophora paradoxa," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    6. Shivam Yadav & Martin Centola & Mathilda Glaesmann & Denys Pogoryelov & Roman Ladig & Mike Heilemann & L. C. Rai & Özkan Yildiz & Enrico Schleiff, 2022. "Cyclophilin anaCyp40 regulates photosystem assembly and phycobilisome association in a cyanobacterium," Nature Communications, Nature, vol. 13(1), pages 1-17, December.
    7. Futing Zhang & Zuozhu Wen & Shanlin Wang & Weiyi Tang & Ya-Wei Luo & Sven A. Kranz & Haizheng Hong & Dalin Shi, 2022. "Phosphate limitation intensifies negative effects of ocean acidification on globally important nitrogen fixing cyanobacterium," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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